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| Insulation increases energy efficiency by conserving energy. The effectiveness of insulation is measured by "R" value which relates to how much heat can penetrate the insulation itself and thus enter or exit the dwelling areas. Insulation is thus sold with an "R" rating. Most domestic situations require an "R" value of between 1.5 and 2 for walls and 2.5 and 3 for ceilings. If sound insulation is required as well a higher "R" rating will be necessary. |
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Insulation falls into these major categories: batts or blankets - these are made of glass fibre or rock wool and come in different thicknesses and "R" ratings. loose fill usually cellulose fibre blown into the roof space. reflective foil laminate which reduces radiant heat flow by simply reflecting heat. wool products natural and low allergy. Insulation can be installed in both walls and ceilings. Wall insulation is best installed during construction. Roof insulation can also be installed after construction. . |
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HINTS: In the past, asbestos material was used in some insulation materials and should be removed by experts in this field. If you are concerned that your insulation may be of this type ask an accredited contractor to check the material for you. Installing permanent rotating caps on the roof which allow heated air to escape is an economical way to increase the effectiveness of roof insulation. When
building a brick veneer or timber home installing insulation in
walls between bedrooms/bathrooms/living areas will provide effective
sound insulation economically. Another way to insulate between rooms
is to place wardrobes between bedrooms.
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